KDevelop API Documentation

pascal_indent.cpp

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00001 /***************************************************************************
00002  *   Copyright (C) 2003 Alexander Dymo                                     *
00003  *   cloudtemple@mksat.net                                                 *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU General Public License as published by  *
00007  *   the Free Software Foundation; either version 2 of the License, or     *
00008  *   (at your option) any later version.                                   *
00009  *                                                                         *
00010  ***************************************************************************/
00011 #include "pascal_indent.h"
00012 #include "qeditor.h"
00013 #include "paragdata.h"
00014 #include <kdebug.h>
00015 
00016 PascalIndent::PascalIndent( QEditor* ed )
00017     : QEditorIndenter( ed ),
00018     rxCompoundStmt("^\\s*(begin|for|try|while|case|repeat|if|else|var|const|type)\\b.*")
00019 {
00020 }
00021 
00022 PascalIndent::~PascalIndent()
00023 {
00024 }
00025 
00026 int PascalIndent::indentForLine( int line )
00027 {
00028     if( line == 0 )
00029         return 0;
00030 
00031     int prevLine = QMAX( 0, previousNonBlankLine( line ) );
00032     const int sw = 4;
00033 
00034     QString lineText = editor()->text( line );
00035     QString prevLineText = editor()->text( prevLine );
00036 
00037     int lineInd = indentation( lineText );
00038     int prevLineInd = indentation( prevLineText );
00039 
00040     int extraInd = 0;
00041     
00042     ParagData* data = (ParagData*) editor()->document()->paragAt( prevLine )->extraData();
00043     if( data ){
00044     QValueList<Symbol> symbolList = data->symbolList();
00045     QValueList<Symbol>::Iterator it = symbolList.begin();
00046     while( it != symbolList.end() ){
00047         const Symbol& sym = *it;
00048         ++it;
00049         
00050         if ( sym.type() == Symbol::Left )
00051         extraInd += 4;
00052         else if( sym.type() == Symbol::Right )
00053         extraInd -= 4;
00054     }
00055     }
00056     
00057     kdDebug() << "lineText=" << lineText << "  prevLineText=" << prevLineText << " indent prev=" << lineInd << endl;
00058     kdDebug() << "extraInd is " << extraInd << endl;
00059 
00060     if (rxCompoundStmt.exactMatch(prevLineText))
00061     {
00062         kdDebug() << "exact match for compound statement match" << endl;
00063         return QMAX( prevLineInd + sw + extraInd, 0 );
00064     }
00065     else
00066         return QMAX( prevLineInd + extraInd, 0 );
00067 }
00068 
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